[minor] fixes contact field set query for opportunity
[minor] fixes contact field set query for opportunity

indictranstech/erpnext,gsnbng/erpnext,gsnbng/erpnext,geekroot/erpnext,geekroot/erpnext,Aptitudetech/ERPNext,indictranstech/erpnext,indictranstech/erpnext,gsnbng/erpnext,indictranstech/erpnext,gsnbng/erpnext,geekroot/erpnext,geekroot/erpnext